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Finding the Fourth Proportional to 4,460.74, 6,691.42 and 1,340.62

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Solution

The fourth proportional to 4,460.74, 6,691.42 and 1,340.62 is: 2,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.74 : 6,691.42 = 1,340.62 : x
  2. Step 2: Convert to fraction form
    4,460.74/6,691.42 = 1,340.62/x
  3. Step 3: Cross multiply
    4,460.74x = 6,691.42 × 1,340.62
  4. Step 4: Simplify right side
    4,460.74x = 8,970,651.48
  5. Step 5: Solve for x
    x = 8,970,651.48/4,460.74
  6. Step 6: Final answer
    x = 2,011.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.